Practice Example Execution Of An Instruction (31.2.1)

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6 sample questions

Question 1.
What does the Memory Data Register (MDR) do?
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Think about data movement within the CPU.
Question 2.
Name one difference between single bus and three bus architectures.
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Consider how data travels.
3Question 3.
What does the MDR temporarily hold?
- Address
- Data
- Control Signals
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Consider the purpose of the MDR.
4Question 4.
True or False: Three bus architectures do not require control signals.
- True
- False
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Think about complexity variation.
Question 5.
If a system suffers from high latency due to excessive control signals in a three bus architecture, how might you redesign it to optimize performance?
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Think about how control signals can be simplified.
Question 6.
Design an experiment to measure execution speed differences between a single bus and a three bus architecture using a specific instruction set.
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How can you accurately record execution times?

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